SiriusXM Holdings Inc (SIRI) Stock Institutional Trading Activity


SiriusXM Holdings Inc (SIRI) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Chou Associates Management, Tweedy, Browne Co All Funds (US), Berkshire Hathaway, Sequoia Financial Advisors, and Hancock Classic Value. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2022Sequoia Financial AdvisorsBuy1,94130,720$175
Q3 2022Renaissance Technologies LLCBuy2,260,9032,271,303$12,969
Q2 2022Renaissance Technologies LLCSell-3,099,20310,400$64
Q2 2022Sequoia Financial AdvisorsSell-93828,779$176
Q1 2022Sequoia Financial AdvisorsBuy1,61529,717$197
Q1 2022Hancock Classic ValueBuy9,84220,715$137
Q4 2021Sequoia Financial AdvisorsBuy18,05228,102$178
Q4 2021Renaissance Technologies LLCBuy922,7003,109,603$19,746
Q3 2021Sequoia Financial AdvisorsSell-1,94510,050$61
Q3 2021Renaissance Technologies LLCSell-1,001,5002,186,903$13,340
Q2 2021Sequoia Financial AdvisorsBuy38011,995$78
Q1 2021Berkshire HathawaySell-6,341,20043,658,800$265,882
Q1 2021Sequoia Financial AdvisorsSell-50011,615$71
Q1 2021Renaissance Technologies LLCSell-2,247,4003,188,403$19,417
Q1 2021Hancock Classic ValueBuy10,87310,873$66
Q4 2020Sequoia Financial AdvisorsBuy5012,115$77
Q4 2020Renaissance Technologies LLCSell-12,536,8025,435,803$34,626
Q3 2020Sequoia Financial AdvisorsBuy57412,065$65
Q3 2020Renaissance Technologies LLCSell-21,924,36117,972,605$96,333
Q2 2020Berkshire HathawaySell-82,418,72950,000,000$293,500
Q2 2020Renaissance Technologies LLCSell-14,353,83939,896,966$234,195
Q1 2020Sequoia Financial AdvisorsBuy49111,491$57
Q1 2020Renaissance Technologies LLCBuy23,243,10254,250,805$267,999
Q1 2020Berkshire HathawaySell-3,857,000132,418,729$654,149
Q4 2019Renaissance Technologies LLCBuy18,551,57831,007,703$221,705
Q3 2019Renaissance Technologies LLCBuy11,581,46212,456,125$77,913
Q3 2019Berkshire HathawaySell-1,640,000136,275,729$852,404
Q2 2019Renaissance Technologies LLCSell-12,620,540874,663$4,881
Q1 2019Sequoia Financial AdvisorsBuy87511,000$62
Q1 2019Renaissance Technologies LLCBuy7,794,10313,495,203$76,518

Frequently asked questions about SIRI activity

  • Which institutional owners are buying SIRI?

    Institutional owners buying SIRI include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in SIRI activity?

    "Buy" means an investor increased their reported position in SIRI compared to the prior reporting period. This reflects growing exposure to SiriusXM Holdings Inc (SIRI) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in SIRI increasing?

    Institutional interest in SIRI can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.